SOLUTION: is this simplified? : (C+3)(C+3) over X?

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Question 616309: is this simplified? : (C+3)(C+3) over X?
Answer by Wizguy jack(4) About Me  (Show Source):
You can put this solution on YOUR website!
X%2By=7%2C2x-y=2=(y=4,x=3)....2x+%2By=4%2C3x-2y=13=(x=3,y=(-2))